Cartier Obus Paris dial in 18 k yellow gold Blue enamel numerals Laser designed for navigation with a

designed for navigation with a slide-rule function and we have a rare example today with a so-called Twin Jet dial and cool matching Twin Jet Buckle

and historically significant piece

signed Swiss

Because of the complexity and cost of this process

From concept to series

Cartier Obus Paris dial in 18 k yellow gold Blue enamel numerals Laser designed for navigation with aIntroduced in the 1920soften cited as 1923 or 1929the Cartier Tank Obus is a rare and distinctive member of the Tank family, immediately recognizable by its square case and signature obus (bullet or shell shaped) lugs. The example at hand features a beautiful 18 kt yellow gold case measuring 25 25 mm, with a wide polished bezel and bold vivid blue enamel Roman numerals. The clean white dial is signed Paris and paired with the characteristic blued